Improvement in machines for winding conical bobbins



2 Sheets-Sheet 1,

G.-CAMPBELL.

MACHINES FOR WINDING con-1cm. sonmus.

No.'17Z,Z98. Patented. J'a..n.18,1876.

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A, Q 41M; 5 5 w N-PEI'ERS. PHOTO-UTHOGRAPHER, WASHIPKIION, D, C-

ZShgets-SheetZ. I G. CAMPBELL. MACHINES FOR WINDING CONICAL BOBBINS. N-o.17Z,Z98.

Pate nj d Jan. 18, 1876.

IN VE N TOR I @Ai I N-FETERS, PHOTO-LITHOGRAPMER, WASHINGYON, C.

UNITEDTTSTA'IES PATENT OFFICE.

GEORGE. CAMPBELL, or actions, New YORK, ASSIGNOR T0 HIMSELF AND JOHN OLUTE, on SAME PLACE.

IMPROVEMENT IN MACHINES'FOR wmome comcAL BOBBINS.

Specification forming partof Letters Patent No. 1 72,298, dated January 18, 1876; application filed October '22, 1875.

movable conical bobbin is revolved, and supported'at its larger endby a prostrate rotary endwise-movable shaft or spindle, while the conical part of the yarn wound on the bobbin is turned in contact with a presser, which evens and condenses the wound yarn, and causes the bobbin and its driving-spindle to recede endwise as the yarn accumulates on the bobbin.-

In machines'of this class heretofore made each bobbin-turning spindle is commonly supported. by, and slides endwise in, bearings which are constantly in the same position in respect to the yarn-presser, sothat-in beginning to wind a bobbin the part of the spindle which engages with and supports the base of the bobbin must project from the nearest support or journal-bearing for the spindle a dis tance greater than thewhole endwise movement of the spindle in. winding the bobbin, and such long extended projecting portion of the spindle, with the bobbin thereon, is liable to wabble and make the bobbin shake and pound on the presser in winding yarn, so as to mar the yarn and cause imperfectly-wound bobbins.

To obviate that defect is the principal object of one part of my invention, which consistsin the combination, with the bobbin-driving spindle, of a sliding journal-box, mounted on ways or guides, and so arranged as to constantly support the spindle in its rotary and endwise movements at a point close or adjacent to the part of the spindle which engages V with the base of the bobbin.

Another part of this invention consists in the combination, with the bobbin-driving spindle turning in and movable endwise with a sliding journal-box adjacent to the part of the spindle that engages with the base of the bobbin, of a weighted lever, applied so as to press thecombined sliding journal-box and spindle, with a bobbin on the latter, toward and against the presser with the proper graduated sliding journal-box adjacent to the part of the spindle that engages with the base of the bobbin, of a rotary shaft supported and revolved in a constant position, and with its. axis in line with the axis of the bobbin-driving spina dle, and connected to the latter by a telescopic coupling, so as to thereby revolve the bobbin-driving spindle, and give support to the latterin its endwise movements at a constan tly-uniform distance from the sliding journal-box.

My invention further consists in the combination of a prostrate bobbin-revolving spindle turning in and moving endwise with a sliding journal-box adjacent to the part-ofthe spindle that engages with the base of the bobbin, a weighted lever arranged to press the combined sliding journal-box and spindle, with a conical bobbin on the latter. toward and against the bobbin-presser with a yielding force, and a shaft supported to turn in a con-. stant position, with its axis in line with that of thebobbin-spindle, and connected thereto by a telescopic coupling that is constantly at a uniforrn distance from the sliding journalbox.

As regards'the aforesaid parts of this invention, thecpresser agaiust'which the conical part of the bobbin revolves and bears may be in the form of a stationary conical hollow shell, or a conical roller, or of any suitable shape, and of any practicable material.

In the aforesaid drawings, Figure 1 is a plan, partly in section, and Fig. 2 is a sectional ele vation, of a portion of a bobbin-winder that embodies all the aforesaid parts of my-invention. Fig. 3 is a front view of a part of the same, and Fig. 4 shows a like view ofa bobbinand its presser, sectioned transversely at the line 2 z in. Figs. 1. and 5. Fig. 5 shows a side viewof a bobbin, and a longitudinal section of its presser at the line y 3 in Figs. 3 and 4. Fig. 6 shows a section of the bobbin-presser at the line 00 w in Fig. 5. Fig. 7 shows a section at the line to w in Figs.'1 and 2 of the bobbin-turning spindle, with the sliding journalbox and its supporting-ways. Fig. 8 is a plan; and Fig. 9 a sectional elevation, of some parts of a bobbin-winder which embodies some of the parts of this invention; and Fig. 10 shows a section of the bobbin'spindle at 'v c in Figs. 8 and 9, and a front view ofits driving-sleeve. Fig. 11 is a sectional elevation of a portion of a bobbin-winder that embodies the first and second aforesaid parts of this invention; and Fig. 12 is a sectional elevation of parts shown in Figs. 8, 9, and 11, the section being at the line a u, and viewed in the direction indicated by the arrow a.

Each removable conical bobbin A is shown partly filled with wound yarn, and supported at its large end by a prostrate, rotary, and endwise-movable shaft or spindle, B, which has its forward part it formed with the usual or any suitable clutch for engaging concentrically with the base of the bobbin. 0 or O is a presser, against which the conical part of the wound yarn on the bobbin bears as the latter is revolved and pressed endwise by the j spindle B. A stationary socket or bearing, 8,

supports the stem r of the bobbin in its rotary and endwise movements, as'usual. D is a vibrating yarn-guide, for directing the yarn to and fro across the conical part of the bobbin.

Instead of having the endwise-movablespindle B wholly supported by journal-boxes or bearings that are .constantly in the same position, I have the forward part of that spindle supported by ajournal-box, E, which is mounted to slide on stationary ways or guides F, and which is fitted upon ajournal, g, on the spindle, close or adjacent to the part it, that engages with the base of the bobbin, so that the journal-box E shall slide on the ways F with the spindle B as the latter moves endwise, and shall thereby constantly give steady and uniform support to that part of the spindle which is next to the base of the bobbin, in winding the bobbin from beginning to end. G is an elbowlever, pivoted at p to the framework H, and having a weight, 0, adjustable. V on the short arm, while the long arm bears against the sliding journal-box E on the spindle B, or against a collar, 01., (see Fig. 8,) on the spindle.

By this construction the lever G will press with the proper adjustable yielding force against the combined sliding journal-box and spindle B with a bobbin,A, thereon, to make the conical part of the wound yarn on the bobbin constantly bear against the presser G or O properly, while the bobbin, with the spindle B and journal-box E, are all gradually moved backward together by the progressive accumulation of the yarn on the bobbin.

v InFi g. 11 the spindle B has its forward part supported by the sliding journal-box E, and its rear part fitted to turn and slide endwise in a fixed journal-bearing, m, while the spindle is revolved by means of a quarter-twist belt, 1, running on a long pulley, 70, fast on the spindle. But that mode of revolving the end wise-movable spindle-B is quite defective, for the varying traction of the belt on the pulley tends to press the spindle endwise unevenly, and thereby interfere with the even winding and condensation of the yarn on the bobbin, and interfere with the action of the weighted pressing-lever G. v

In Figs.8 and 9 the journal (1 on the forward partof the spindle B revolves in, and is constantly supported by, the sliding bearingE, While the rear portion of that spindle is an gular or square in cross-section, as shown in Fig. 10, and extends freely, but closely, into or through a corresponding axial socket in a rotary sleeve, I, which turns in a constant position in a fixed journal-box, Z, so as to rotate the spindle B as the latter moves endwise. In that case the part of the spindle B that reaches from the sliding journal-box E to the driving and supporting sleeve I gradually becomes shorter and sliorter,,so that the spindle B is less and less stably supported in its revolutions as the" yarn accumulates on the bobbin.

To avoid those defects in revolving the spindle B, and supporting the rear part thereof, I construct each bobbin-spindle B with a rear-end socket, 'i, of angular or square shape, or circular, with an inwardly-proj ecting feather or tongue, as indicated in separate section and elevation in Fig. 1, and fitting upon a correspondingly-shaped projecting part, h, of arotary shaft, J, which is arranged to turn in a constant position in fixed hearings or journalboxes g, and in line with the axis of the spindle B, so that the coupling 11, by which the shaft J supports the rear part of the spindle B, and revolves the latter as the same moves endwise,.is always at one and the same uniform distance from the sliding bearing E, by

which the forward part of the spindle is supported.

The combination of the adjustably-weighted lever G with the endwise-movable bobbinspindle B, sliding journal-box E, and drivingshaft J, connected to the bobbin-spindle by the telescopic coupling i, substantially as shown by Figs. 1 and 2, and above specified, constitutes a very complete mechanism for supporting, revolving, and giving endwise pressure to the endwise-movable bobbin-spindle in winding conical bobbins.

In some machines heretofore used for winding conical bobbins the conical part of the wound yarn is pressed and revolved against the inner surface of a stationary hollow conical shell; but such a presser produces too much friction and strain upon tender yarn.

In other machines the cone of yarn is pressed and revolved against a conical roller like the one marked (1! in Fig. 11 but that roller requires to be revolved by the'friction of the wound yarn against the roller, and presents to the cone of yarn only a rib. of convex surface that tends to sink into and indent the cone of yarn and over-strain the threads thereof when of tender material. To avoid these defects I make the stationary bobbin-pressers 0, each with a smooth flatsurface of glass, to bear against the cone of yarn on the bobbin, substantially as represented in the drawings.

This improved presser cannot get rusty on its yarn-pressing. surface of glass, and is especially suitable for use in winding soft and tender yarns, and such as are commonly used in knitting-machines. It avoids the excessive friction which attends the use of the conical hollow shell-presser, even though the latter be lined with smooth crystal or glass; and it also avoids the excessive indenting action of the conical roller-presser, and can be generally made at as cheap a rate as either the roller or shell presser.

A good way to construct this improved presser is to cast of iron asuita-ble bed, f, with side flanges e and grooves 6, Figs. 4, 5, and 6, andinsert a suitable flat plate of smooth glass, j, and secure it by pouring melted lead into the grooves and spaces around and between the glass and the iron bed. and side flanges; but this improved presser may be constructed with the smooth flatglass surface in any other suitable manner.

' In Figs. 8 and 9 the presser O is arranged with its flat face directly under and against the lowest longitudinal part of the surface of the cone of the bobbin. In that case, when the bobbin is revolving rapidly in winding yarn,.the stein r of the bobbin, or the cone thereof, is liable to shake or chatter in the loosely-fitting sockets, or against the flat surface of the presser. To obviate that difficulty I arrange the presser O with its flat face-inclined transversely as well as longitudinally, so as to bear against only that lateral lower side of the bobbin which is opposite to the side at which the yarn cl is laid, substantially as shown by Figs. 3 and 4E, and so that the Weight or gravity of the bobbin and the friction of the latter in revolving against the inclined flat surface of the presser shall tend to force the bobbin laterally downward, so as to prevent shaking of the bobbin.

When the bobbin-spindle B shall extend far into or through the bobbin the bearing 8 may be dispensed with, or may be open at top and fast on the presser G, which, as indicated by dotted lines in Fig. 9, may have a hinge-joint at b, and a counter-weight a, so that the presser can be turned down so as to permit the removal and replacement of a bobbin.

In Figs. 1 and 2, K is the main driving-shaft, which revolves each spindle, turning shaft J by means of a pulley, L, quarter-twist belt M, and pulley N. Each pulley L is made smaller at one side with an intervening conical part, and'is furnished with a belt-shifter, 0, for convenience in stopping and starting the rotation of each bobbin separately. The yarnguide D receives vibratory motion from the shaft L by means of the pulley P, belt Q, pulley B, shaft S, heart-cam T, lever-follower U, spring V, link W, arm X, and rock-shaft Y.

In carrying out my present invention any other suitable means may be used for revolving and separately stopping and starting each spindle-driving shaft J, and for vibrating the yarn-guide.

What I claim as my invention is V 1. In combination with the prostrate endwise-movable bobbin-revolving shaft'B, the sliding journal-bearing E, arranged on the shaft adjacent to the part which engages with the base of the bobbin, and in or upon Ways F, substantially as described.

2. In combination with the endwise-movable bobbin-revolving spindle B, and sliding journal-box E on ways F, the weighted lever G,arranged to press against'the combined bobbin-driving spindle and sliding journalbox, substantially as described.

3. In combination with the endwise-movable bobbin-turning spindle B and its sliding journal-beariu g E, the driving-shaft J, mounted to turn in a constant position in line with the bobbin-turning spindle, and connected to the latter by a telescopic coupling, 2', that is constantly at a uniform distance from the sliding journal-bearing, substantially as described.

4. The combination of the endwise-movable bobbin-revolving spindle B, sliding journalbox E, weighted pressing-lever G, and driving'shaft J, connected to the bobbin-spindle by the telescopic coupling 2', all arranged substantially as described.

In testimony whereof I hereunto set my hand this 30th day of September, 1875, in the presence of two subscribing witness-es.

GEORGE CAMPBELL. Witnesses:

WILLIAM A. ROUSSEAU, AUSTIN F. PARK. 

